Overview SWIR camera families: current product rangeOverview SWIR camera families: current product...

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Transcript of Overview SWIR camera families: current product rangeOverview SWIR camera families: current product...

  • Overview SWIR camera families: current product range

    Raf Vandersmissen

  • Outline

    • SWIR

    - InGaAs 900 (500) – 1700 nm

    - Extended up to 2350 and 2500 nm

    • Scientific and Industrial

    • 5 families

    - Xeva

    - Cheetah

    - Bobcat

    - Low light scientific

    - Lynx

    Copyright 2015 | 2

  • Scientific and industrial

    • Scientific

    - Commercial components

    - Temp range 0 - 50C

    - Heatsink and fan for TE cooled cameras

    - Camera allows for flexible use of the SWIR detector

    • Industrial

    - Industrial components

    - Temp range -40 - 70C

    - No fan

    - Small camera size and weight

    - Application range limited

    Copyright 2015 | 3

  • Xeva

    • Scientific – general purpose

    • 320x256 & 640x512

    - Visible enhanced version for 320x256

    - Extended versions for 320x256 – 2.35 and 2.5 µm cut-off

    - Uncooled XS 320x256 model

    • TE1 (single stage TEC for sensor cooling)

    - Heatsink and fan

    - Allows for long exposures

    • TE4 (four-stage TEC for Extended versions)

    • Commercial components (0 – 50C)

    Copyright 2015 | 4

  • Xeva applications

    • Hyperspectral imaging (spectrograph)

    - Food sorting, agriculture, mining…

    • Multispectral imaging (tunable filters)

    - Chemical analysis, art inspection

    • Laser beam analysis

    • Art inspection

    • Waveguide on chip

    • Xeva extended 2.35 and 2.5

    - Applications that require the wavelengths beyond 1.7 µm

    - Examples: hyp spec imaging, lasers at 2.x µm, …

    Copyright 2015 | 5

  • Cheetah

    • Scientific – high-speed (high-frame rate)

    - 400 – 800 – 1700 Hz versions

    • 640x512

    - Visible enhanced version available

    • TE1 (single stage TEC for sensor cooling)

    - Heatsink and fan

    • Commercial components (0 – 50C)

    Copyright 2015 | 6

  • Cheetah applications

    • Adaptive optics – wavefront sensing

    - Free space laser communication

    - Laser guide star

    • Oil electro-coalescence research

    - Remove water from crude oil

    - SWIR can see through oil

    • High speed tracking

    Copyright 2015 | 7

  • Bobcat

    • Industrial – general purpose

    • 320x256 & 640x512

    - Visible enhanced version for 640x512

    - Also XSW available

    • TE1 (single stage TEC for sensor stabilization)

    - No fan

    - Max exposure time limited to video rate applications (~25Hz or

    more)

    • Industrial components (-40 – 70C)

    Copyright 2015 | 8

  • Bobcat applications

    • Microscopy (semiconductor)

    - Wafer/chip/die inspection

    • Alignment applications (semiconductor)

    - Flip chip

    - Wafer dicing

    • Laser beam analysis & laser spot detection

    - Range finder and designator laser spots

    • Leakage/moisture detection

    • Hyperspectral and multispectral imaging

    • Active illumination imaging

    Copyright 2015 | 9

  • Low light scientific

    • Scientific – low light level imaging

    - VERY long exposures (> 1 sec)

    - High sensitivity – low noise

    - Low dark current (sensor cooled to very low temp)

    • Cameras (ascending performance sequence)

    - Xeva 1.7 320 TE3 (320x256)

    - Cheetah CL TE3 (640x512)

    - Cougar LN2 (640x512 and high sensitivity and extra low dark current)

    Copyright 2015 | 10

  • Low light scientific applications

    • Photon emission microscopy

    - Optical fault localization

    • Fluorescence imaging

    - Medical – cancer research

    • Raman spectroscopy 1064 nm

    • Astronomy

    Copyright 2015 | 11

  • Lynx

    • Industrial – linescan

    - Also XSL available

    • Industrial components (-40 – 70C)

    • Uncooled

    • 512, 1024 or 2048 pixels

    • Pixel shape

    - Square pixels for imaging applications

    - Rectangular pixels for spectroscopy applications

    Copyright 2015 | 12

  • Lynx applications

    • Sorting (foreign object detection)

    - Food, fruits, vegetables

    - Water content based

    • Semiconductor

    - Wafer inspection (solar cell)

    - Solar ingot/brick inspection

    Copyright 2015 | 13